<template >
  <div >

    <el-form ref="loginForm" :model="loginForm" :rules="rules" label-width="80px" class="login-box">
      <div class="login_face">
        <img src="../../assets/logo.png" style="width: 50px;height: 50px;" class="userAvatar"/>
      </div>
      <h3 class="login-title">欢迎使用后台管理系统</h3>
      <el-form-item label="账号" prop="userName">
        <el-input type="text" placeholder="请输入账号" v-model="loginForm.userName"/>
      </el-form-item>
      <el-form-item label="密码" prop="password">
        <el-input type="password" placeholder="请输入密码" v-model="loginForm.password"/>
      </el-form-item>
      <el-form-item>
        <el-row >
          <el-col :span="4">
            <el-button type="primary" v-on:click="Login('loginForm')">登录</el-button>
          </el-col>
          <el-col :span="20">
            <el-link type="primary" style="margin-left: 10px" href="#/register">没有账号？点击注册</el-link>
          </el-col>
        </el-row>


      </el-form-item>

    </el-form>

<!--    <el-dialog-->
<!--      title="温馨提示"-->
<!--      :visible.sync="dialogVisible"-->
<!--      width="30%"-->
<!--      :before-close="handleClose">-->

<!--      <span>请输入账号和密码</span>-->
<!--      <span slot="footer" class="dialog-footer">-->
<!--        <el-button type="primary" @click="dialogVisible = false">确 定</el-button>-->
<!--      </span>-->
<!--    </el-dialog>-->

  </div>
</template>

<script>
    export default {
        name: "Login",
      data() {
        return {
          loginForm: {},


          // 表单验证，需要在 el-form-item 元素中增加 prop 属性
          rules: {
            userName: [
              {required: true, message: '账号不可为空', trigger: 'blur'}
            ],
            password: [
              {required: true, message: '密码不可为空', trigger: 'blur'}
            ]
          },

          // 对话框显示和隐藏
          // dialogVisible: false,

        }
      },
      methods: {
          checkSession(){
            this.$http.post("/login",this.loginForm).then(res=>{
            if (res.data.status){
              this.$router.push("/home/summary");
            }
          });
          },
        Login(formName) {
          // 为表单绑定验证功能
          this.$refs[formName].validate((valid) => {
            if (valid) {
              this.$http.post("/login",this.loginForm).then(res=>{
                if(res.data.status){
                  this.$message({
                    message: res.data.message,
                    type: 'success'
                  });
                  this.$router.push("/home/summary");
                }else{
                  this.$message.error(res.data.message);
                }
              })
              // 使用 vue-router 路由到指定页面，该方式称之为编程式导航
              // this.$router.push("/home");
            } else {
              // this.dialogVisible = true;
              this.$message.error('请输入账号或密码！');
            }
          });
        },


      },
      created() {
          this.checkSession();
      }
    }
</script>

<style scoped>

  .login-box {
    text-align: center;
    border: 1px solid #DCDFE6;
    width: 500px;
    margin: 180px auto;
    padding: 35px 35px 15px 35px;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    box-shadow: 0 0 25px #909399;
  }

  .login-title {
    text-align: center;
    margin: 0 auto 40px auto;
    color: #303133;
  }
</style>
